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  • MPEC 2004-Q53 : 2004 QD20

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    M.P.E.C. 2004-Q53                                Issued 2004 Aug. 27, 12:18 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                      Supported in part by the Brinson Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2004 QD20
    
    Observations:
         K04Q20D* C2004 08 26.24138 21 45 04.20 +28 55 47.2          19.7   EQ053704
         K04Q20D  C2004 08 26.25259 21 45 03.00 +28 55 25.2          19.9   EQ053704
         K04Q20D  C2004 08 26.26282 21 45 01.98 +28 55 05.0          19.8   EQ053704
         K04Q20D  C2004 08 26.27303 21 45 01.09 +28 54 44.0          19.5   EQ053704
         K04Q20D  C2004 08 26.28358 21 45 00.05 +28 54 23.8          19.7   EQ053704
         K04Q20D  C2004 08 26.83691 21 44 10.23 +28 36 05.3                 EQ053587
         K04Q20D  C2004 08 26.83942 21 44 10.14 +28 35 58.2                 EQ053587
         K04Q20D  C2004 08 26.84192 21 44 09.87 +28 35 55.5                 EQ053587
         K04Q20D  C2004 08 27.00917 21 43 54.38 +28 30 25.5                 EQ053J95
         K04Q20D  C2004 08 27.01262 21 43 53.88 +28 30 18.4          19.1 R EQ053J95
         K04Q20D  C2004 08 27.12752 21 43 44.46 +28 26 34.1          19.4 R EQ053G90
         K04Q20D  C2004 08 27.13695 21 43 43.58 +28 26 15.2          19.3 R EQ053G90
         K04Q20D  C2004 08 27.15684 21 43 41.63 +28 25 37.4          20.1 R EQ053H36
         K04Q20D  C2004 08 27.18280 21 43 39.14 +28 24 43.7                 EQ053H36
         K04Q20D 8C2004 08 27.21007 21 43 36.95 +28 23 51.5          19.0 R EQ053673
         K04Q20D 8C2004 08 27.21215 21 43 36.78 +28 23 47.5                 EQ053673
         K04Q20D 8C2004 08 27.21701 21 43 36.60 +28 23 38.2                 EQ053673
         K04Q20D 8C2004 08 27.21910 21 43 36.12 +28 23 34.1                 EQ053673
         K04Q20D  C2004 08 27.26443 21 43 31.78 +28 22 05.4          20.0 R EQ053854
         K04Q20D  C2004 08 27.27262 21 43 31.06 +28 21 48.8          19.8 R EQ053854
         K04Q20D  C2004 08 27.27728 21 43 30.63 +28 21 40.0          19.8 R EQ053854
    
    Observer details:
    587 Sormano.  Observer F. Manca.  0.5-m f/6 reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer D. Mayes.  0.6-m
        reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
        H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
        1.0-m f/2.15 reflector + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    G90 Three Buttes Observatory, Tucson.  Observer G. R. Jones.  0.4-m
        Ritchey-Chretien + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.3-m Schmidt-Cassegrain
        + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2004 QD20
    Epoch 2004 Aug. 23.0 TT = JDT 2453240.5                 MPC
    M  27.54187              (2000.0)            P               Q
    n   0.28339575     Peri.  351.48491     -0.77807557     +0.58946742
    a   2.2954817      Node   226.98291     -0.55743442     -0.80723739
    e   0.7210137      Incl.   17.27216     -0.28959503     -0.02993246
    P   3.48           H   18.5           G   0.15
    From 19 observations 2004 Aug. 26-27.
    
    Ephemeris:
    2004 QD20                a,e,i = 2.30, 0.72, 17                  q = 0.6404
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 08 23    21 50.39   +30 42.8    0.695    1.595   137.6    25.3    19.9
    2004 09 02    21 36.13   +25 15.8    0.783    1.700   142.8    21.0    20.2
    2004 09 12    21 27.80   +20 11.9    0.893    1.802   143.0    19.7    20.5
    2004 09 22    21 24.47   +15 48.7    1.024    1.899   139.0    20.3    21.0
    2004 10 02    21 25.14   +12 12.8    1.175    1.994   132.7    21.7    21.4
    2004 10 12    21 28.87   +09 22.4    1.342    2.085   125.3    23.0    21.8
    
    Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-Q53
    

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